Poor Performance of Safari with YouTube

Recently I have noticed really poor performance of Safari when I try to watch videoes on YouTube.
I have experienced this both with my 2009 iMac desktop and my brand new MacBook Pro w/ Retina Display.
This can't be a network problem because I pay Verizon way too much money every month for their FiOS Quantum service and various speedtests that I run look OK.
Is the problem with Safari or what?

You guys are not following me. And, I'm not sure if I used that term right. I was talking about answers you see from google searches, not from people here. I am a 40 year old business owner not a kid. What I meant by "fanboy" is that a lot of times when you search online for something like "Itunes on my PC is not seeing my ipod", you see the most popular answer is "Buy a mac". Yes it may be funny, but it is not really helpful. That is the type of person I was referring to, and I was not talking about people here. People on this discussion board seem to be very helpful. I own macs and PC's, so don't like the answer "get a mac". I have one (three in fact), but I also have PC's. I love my mac computers, my iPhone, my iPad, my AppleTV and all of that just like you guys probably do.
I still think it is an interesting and strange issue. If you contacted the IE folks, they would say "Are you having this problem on all websites?". As soon as you said "No, just this one". They would say "It must be the way the website is written". If you talk to someone here, the answer might lean towards "If it runs fine on Safari, but not on IE, it must be an IE issue".
I was just thinking it was an interesting enough scenario that someone had looked into it. Sorry if I was misunderstood and riled someone up.
Message was edited by: Austin Rob

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Very poor performance Windows RT with Citrix

Hi All,
I'm currently in a project with a customer implementing XenApp 7.6. The customer uses Dell XPS 10 tablets with Windows RT installed. We have installed the latest Receiver from the Microsoft Store and added a connection through a Citrix NetScaler Gateway
VPX version 10.5.
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Besides the bad performance there's also a problem with the home/start button on the remote OS (Windows Server 2012 R2). The button isn't working or only after multiple tries.
This experience is also on a windows 8.1/10 machine with the Citrix Receiver from the store.
Any thoughts about the issue's above? What can we do to optimize the environment for working with the Citrix Receiver from the store?
Kind Regards,
René
This posting is provided "AS IS" with no warranties or guarantees, and confers no rights. Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question.
Click on "vote as Helpful" if you feel this post helpful to you. This can be beneficial to other community members reading the thread.

I would recommend turning to Citrix to get support on this. After all it's their product!
MCP/MCSA/MCTS/MCITP

Smart Zoom in Safari with YouTube

Hello.
I like the Smart Zoom feature that OS X and Safari has. It allows me to easily doubletap my mouse and Zoom in to whatever I want. I used to do it all the time when I watched YouTube clips, just doubletap and the clip is almost (but not) in full screen. Nice and practical.
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See the attached screenshot to see what I mean.
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Version: 10.1.2.54.25
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Never even seen it.
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Hi
Well if the same issue occurs in both Desktop and Viewer then you have your answer. It's not the way that Discoverer is running the workbook its the way the workbook has been constructed.
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a) apply sufficient filters to reduce the amount of data being returned to something manageable
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Does this help?
Best wishes
Michael Armstrong-Smith
URL: http://learndiscoverer.com
Blog: http://learndiscoverer.blogspot.com

Poor Performance with 10.1

I'm on a windows xp sp 3 machine with an x800 xt pe graphics card using the latest catalyst drivers from Ati. Ever since I updated flash, I'm getting very poor performance during 720p with acceleration enabled. I'm also getting bad performance when it's disabled. Is there an issue with the 10.2 legacy (ati) drivers not enabling hardware acceleration with 10.1 flash?
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I've also noticed poor performance since installing the 10.1 plugin. Not just in HD video etc, but in general use. So much for "improved performance"...
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Safari in youtube hangs my computer

safari in youtube hangs my computer. Only is in safari with youtube, in others web pages safari works fine!!! and the other applications also works fine. and graphics performance is very good and the graphics switching has no problems when i use applications where the high performance is active.
Can you help me???
Regards

Safari > Preferences > Privacy > Cookies and website data:
Click the “Details” button.
When the sheet drops down, enter “YouTube” in the search box at top right corner.
Highlight YouTube cookies and click “Remove” button .
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Poor performance and overheat

Story
I've been using arch for the past four months, dual booting with my old Windows XP. As I'm very fond of Flash games and make my own programs with a cross-platform language, I've found few problems with the migration. One of them was the Adobe Flash Player performance, which was stunningly bad. But everyone was saying that was normal, so I left it as is.
However, one special error always worried me: a seemingly randomly started siren sound coming from the motherboard speaker. Thinking it was a alarm about some fatal kernel error, I had been solving it mostly with reboots.
But then it happened. While playing a graphics intensive game on Windows quickly after rebooting from Arch, the same siren sound started. It felt like a slap across the face: it was not a kernel error, it was an motherboard overheat alarm.
The Problem
Since the computer was giving overheat signs, I started looking at things from another angle. I noticed that some tasks take unusually long times in Arch (i.e.: building things from source; Firefox / OpenOffice startup; any graphics intensive program), specially from the Flash Player.
A great example is the game Penguinz, that runs flawlessly in Windows but is unbearably slow in Arch. So slow that it alone caused said overheat twice. And trying to record another flash game's record using XVidCap things went so bad that the game halved the FPS and started ignoring key presses.
Tech Info
Dual Core 3.2 processor
1 gb RAM
256 mb Geforce FX 5500 video card
Running Openbox
Using proprietary NVIDIA driver
TL;DR: poor performance on some tasks. Flash Player is so slow that overheats CPU and makes me cry. It's fine on Windows.
Off the top of my head I can think up some reasons: bad video driver, unwanted background application messing up, known Flash Player performance problems and Actionscript Linux/Arch-only bug.
Where do you think is the problem?

jwcxz wrote:Have you looked at your process table for any program with abnormal CPU usage? That seems like the logical place to start. You shouldn't be getting poor performance in anything with that system. I have a 2.0GHz Core 2 Duo and an Intel GMA 965 and I've never had any problems with Flash. It's much better than it used to be.
Pidgin scared me for a while because it froze for no apparent reason. After fixing this, the table contains this two guys here:
%CPU
Firefox: 80%~100%
X: 0~20%
Graphic intensive test, so I think the X usage is normal. It might be some oddity at the Firefox+Linux+Flash sum, maybe a conflict. I'll try another browser.
EDIT:
Did a Javascript benchmark to test both systems and browsers.
Windows XP + Firefox = 4361.4ms
Arch + Firefox = 5146.0ms
So, it's actually a lot slower without even taking Flash into account. If someone knows a platform-independent benchmark to test both systems completely, and not only the browser, feel free to point out.
I think that something is already wrong here and the lack of power saving systems only aggravated the problem, causing overheat.
EDIT2:
Browser performance fixed: migrated to Midori. Flash stills slower than on Windows, but now it's bearable. Pretty neat browser too, goes better with the Arch Way. It shouldn't fix the temperature, however.
Applied B's idea, but didn't test yet. I'm not into the mood of playing flash games for two straight hours today.
Last edited by BoppreH (2009-05-03 04:25:20)

Poor performance and voltage fluctuation.

I'm running two 280x in crossfire which I upgraded from two 6970's. When I'm playing DayZ my FPS never go above 30 FPS. With my 6970's I was well into the 70's. I never changed my video settings when I went from the 6970's to the 280X's. For the most part I have a lot of the graphics low or disabled. Borderlands 2 is a nightmare on the 280X. I drop down into 10 fps area and this has never happened with on my 6970's.
During games my core voltage fluctuates between 500mhz and 1020mhz during game play. I have ULPS disable as well.
My power supply is an Antec HCG-900.
Happened on all these drivers 14.4, 14.6 Beta, and 14.6 RC (currently installed).

jwcxz wrote:Have you looked at your process table for any program with abnormal CPU usage? That seems like the logical place to start. You shouldn't be getting poor performance in anything with that system. I have a 2.0GHz Core 2 Duo and an Intel GMA 965 and I've never had any problems with Flash. It's much better than it used to be.
Pidgin scared me for a while because it froze for no apparent reason. After fixing this, the table contains this two guys here:
%CPU
Firefox: 80%~100%
X: 0~20%
Graphic intensive test, so I think the X usage is normal. It might be some oddity at the Firefox+Linux+Flash sum, maybe a conflict. I'll try another browser.
EDIT:
Did a Javascript benchmark to test both systems and browsers.
Windows XP + Firefox = 4361.4ms
Arch + Firefox = 5146.0ms
So, it's actually a lot slower without even taking Flash into account. If someone knows a platform-independent benchmark to test both systems completely, and not only the browser, feel free to point out.
I think that something is already wrong here and the lack of power saving systems only aggravated the problem, causing overheat.
EDIT2:
Browser performance fixed: migrated to Midori. Flash stills slower than on Windows, but now it's bearable. Pretty neat browser too, goes better with the Arch Way. It shouldn't fix the temperature, however.
Applied B's idea, but didn't test yet. I'm not into the mood of playing flash games for two straight hours today.
Last edited by BoppreH (2009-05-03 04:25:20)

Poor performance for full screen desktop

Hi,
Full screen desktop ( displayed as Kiosk ) of Linux with gnome ( I believe it's the same for all window managers ) is poor ( even with command as ls you see the delays ).
It happens on the local network. Connection to the application server is SSH.
SGD server - Solaris 10 , Sun Fire 280. Application server is regular modern PC.
Regular windows performance is very good.
Any suggestions ?
Thanks

I think you will find the poor performance is only with GTK applications.
For example, if you go into a large directory of files, and do an ls -aRl, you will notice it is a lot slower with a gnome-terminal than it is with a plain xterm.
I think 4.3 will resolve this performance issue.

Poor Performance with Fairpoint DSL

I started using Verizon DSL for my internet connection and had no problems. When Fairpoint Communications purchased Verizon (this is in Vermont), they took over the DSL (about May 2009). Since then, I have had very poor performance with all applications as soon as I start a browser. The performance problems occur regardless of the browser - I've tried Firefox (3.5.4), Safari (4.0.3) and Opera (10.0). I've been around and around with Fairpoint for 6 months with no resolution. I have not changed any software or hardware on my Mac during that time, except for updating the browsers and Apple updates to the OS, iTunes, etc. The performance problems continued right through these updates. I've run tests to check my internet speed and get times of 2.76Mbps (download) and 0.58Mbps (upload) which are within the specified limits for the DSL service. My Mac is a 2GHz PowerPC G5 runnning OSX 10.4.11. It has 512MB DDR SDRAM. I use a Westell Model 6100 modem for the DSL provided by Verizon.
Some of the specific problems I see are:
1. very long waits of more than a minute after a click on an item in the menu bar
2. very long waits of more than two minutes after a click on an item on a browser page
3. frequent pinwheels in response to a click on a menu item/browser page item
4. frequent pinwheels if I just move the mouse without a click
5. frequent messages for stopped/unresponsive scripts
6. videos (like YouTube) stop frequently for no reason; after several minutes, I'll get a little audio but no new video; eventually after several more minutes it will get going again (both video and audio)
7. response in non-browser applications is also very slow
8. sometimes will get no response at all to a mouse click
9. trying to run more than one browser at a time will bring the Mac to its knees
10. browser pages frequently take several minutes to load
These are just some of the problems I have.
These problems all go away and everything runs fine as soon as I stop the browser. If I start the browser, they immediately surface again. I've trying clearing the cache, etc with no improvements.
What I would like to do is find a way to determine if the problem is in my Mac or with the Fairpoint service. Since I had no problems with Verizon and have made no changes to my Mac, I really suspect the problem lies with Fairpoint. Can anyone help me out? Thanks.

1) Another thing that you could try it is deleting the preference files for networking. Mac OS will regenerate these files. You would then need to reconfigure your network settings.
The list of files comes from Mac OS X 10.4.
http://discussions.apple.com/message.jspa?messageID=8185915#8185915
http://discussions.apple.com/message.jspa?messageID=10718694#10718694
2) I think it is time to do a clean install of your system.
3) It's either the software or an intermittent hardware problem.
If money isn't an issue, I suggest an external harddrive for re-installing Mac OS.
You need an external Firewire drive to boot a PowerPC Mac computer.
I recommend you do a google search on any external harddrive you are looking at.
I bought a low cost external drive enclosure. When I started having trouble with it, I did a google search and found a lot of complaints about the drive enclosure. I ended up buying a new drive enclosure. On my second go around, I decided to buy a drive enclosure with a good history of working with Macs. The chip set seems to be the key ingredient. The Oxford line of chips seems to be good. I got the Oxford 911.
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Has everything interface:
FireWire 800/400 + USB2, + eSATA 'Quad Interface'
save a little money interface:
FireWire 400 + USB 2.0
This web page lists both external harddrive types. You may need to scroll to the right to see both.
http://eshop.macsales.com/shop/firewire/1394/USB/EliteAL/eSATAFW800_FW400USB
Here is an external hd enclosure.
http://eshop.macsales.com/item/Other%20World%20Computing/MEFW91UAL1K/
Here is what one contributor recommended:
http://discussions.apple.com/message.jspa?messageID=10452917#10452917
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http://discussions.apple.com/thread.jspa?messageID=5564509#5564509
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http://en.wikipedia.org/wiki/UniversalSerial_Bus#USB_compared_toFireWire
http://www23.tomshardware.com/storageexternal.html

Safari hangs and poor performance in MBPR (Mid 2012)

Safari hangs and poor performance in MBPR (Mid 2012)? OS X 10.10.2 is up to date

Please answer as many of the following questions as you can. You may already have answered some of them. In that case, there's no need to repeat the answers.
Back up all data before making any changes.
Have you restarted your router and your broadband device (if they're separate) since you first noticed the problem? If not, do that now and see whether there's any change.
If your browser is Safari, then from the Safari menu bar, select
Safari ▹ Preferences... ▹ Privacy ▹ Remove All Website Data
and confirm. If the Downloads button (with the icon of a downward-pointing arrow) is showing in the toolbar, click it and then click Clear in the box that appears. The download history will be removed. Any change?
If you're running OS X 10.9 or later, select the Advanced tab in the Preferences window and uncheck the box marked
Stop plug-ins to save power
Any change?
Quit and relaunch the browser. Any change?
Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
While logged in as Guest, you won’t have access to any of your documents or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this behavior; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
Are any other web browsers installed, and are they the same? What about other Internet applications, such as iTunes and the App Store?
If other browsers and Internet applications are also affected, follow these instructions and test. Any change?
If Parental Controls is active for any user, please turn it off and test. Any change?
If only Safari is affected, launch the Activity Monitor application and enter "web" (without the quotes) in the search box. If a process named "Safari Web Content" is shown in red or is using more than about 5% of a CPU, select it and force it to quit by clicking the X or Quit Process button in the toolbar of the window. There may be more than one such process. Any improvement?
Follow the instructions in this support article. Any change?
Open the iCloud preference pane and uncheck the box marked Photos, if it's checked. Any change?
Are there any other devices on the same network that can browse the Web, and are they affected?
If you can test Safari on another network, is it the same there?
If you connect to your router with Wi-Fi and you can also connect with Ethernet, do that and turn off Wi-Fi. Any difference?

Poor performance with WebI and BW hierarchy drill-down...

Hi
We are currently implementing a large HR solution with BW as backend
and WebI and Xcelcius as frontend. As part of this we are experiencing
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In general we are experiencing ok performance during selection of data
and traditional WebI filtering - however when using the BW hierarchy
for navigation within WebI, response times are significantly increasing.
The general solution setup are as follows:
1) Business Content version of the personnel administration
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2) Multiprovider to act as semantic Data Mart layer in BW.
3) Bex Query to act as Data Mart Query and metadata exchange for BOE.
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4) Traditionel BO OLAP universe 1:1 mapped to Bex Data Mart query. No
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5) WebI report with limited objects included in the WebI query.
As we are aware that performance is an very subjective issues we have
created several case scenarios with different dataset sizes, various
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work at all as WebI apparently isn't using the BW OLAP cache).
In general the best result we can get is with a completely stripped WebI report without any variables etc.
and a total dataset of 1000 records transferred to WebI. Even in this scenario we can't get
each navigational step (when using drill-down on Organizational Unit
hierarchy - 0ORGUNIT) to perform faster than minimum 15-20 seconds per.
navigational step.
That is each navigational step takes 15-20 seconds
with only 1000 records in the WebI cache when using drill-down on org.
unit hierachy !!.
Running the same Bex query from Bex Analyzer with a full dataset of
30.000 records on lowest level of detail returns a threshold of 1-2
seconds pr. navigational step thus eliminating that this should be a BW
modeling issue.
As our productive scenario obviously involves a far larger dataset as
well as separate data from CATS and PT infoproviders we are very
worried if we will ever be able to utilize hierarchy drill-down from
WebI ?.
The question is as such if there are any known performance issues
related to the use of BW hierarchy drill-down from WebI and if so are
there any ways to get around them ?.
As an alternative we are currently considering changing our reporting
strategy by creating several higher aggregated reports to avoid
hierarchy navigation at all. However we still need to support specific
division and their need to navigate the WebI dataset without
limitations which makes this issue critical.
Hope that you are able to help.
Thanks in advance
/Frank
Edited by: Mads Frank on Feb 1, 2010 9:41 PM

Hi Henry, thank you for your suggestions although i´m not agree with you that 20 seconds is pretty good for that navigation step. The same query executed with BEx Analyzer takes only 1-2 seconds to do the drill down.
Actions
suppress unassigned nodes in RSH1: Magic!! This was the main problem!!
tick use structure elements in RSRT: Done it.
enable query stripping in WebI: Done it.
upgrade your BW to SP09: Has the SP09 some inprovements in relation to this point ?
use more runtime query filters. : Not possible. Very simple query.
Others:
RSRT combination H-1-3-3-1 (Expand nodes/Permanent Cache BLOB)
Uncheck prelimirary Hierarchy presentation in Query. only selected.
Check "Use query drill" in webi properties.
Sorry for this mixed message but when i was answering i tryied what you suggest in relation with supress unassigned nodes and it works perfectly. This is what is cusing the bottleneck!! incredible...
Thanks a lot
J.Casas

Poor performance with Oracle Spatial when spatial query invoked remotely

Is anyone aware of any problems with Oracle Spatial (10.2.0.4 with patches 6989483 and 7003151 on Red Hat Linux 4) which might explain why a spatial query (SDO_WITHIN_DISTANCE) would perform 20 times worse when it was invoked remotely from another computer (using SQLplus) vs. invoking the very same query from the database server itself (also using SQLplus)?
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OK, that's clearer.
Are you sure it is the SQL inside the procedure that is causing the problem? To check, try extracting the SQL from inside the procedure and run it in SQLPLUS with
set autotrace on
set timing on
SELECT ....If the plans and performance are the same then it may be something inside the procedure itself.
Have you profiled the procedure? Here is an example of how to do it:
Prompt Firstly, create PL/SQL profiler table
@$ORACLE_HOME/rdbms/admin/proftab.sql
Prompt Secondly, use the profiler to gather stats on execution characteristics
DECLARE
l_run_num PLS_INTEGER := 1;
l_max_num PLS_INTEGER := 1;
v_geom    mdsys.sdo_geometry := mdsys.sdo_geometry(2002,null,null,sdo_elem_info_array(1,2,1),sdo_ordinate_array(0,0,45,45,90,0,135,45,180,0,180,-45,45,-45,0,0));
BEGIN
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v_geom := Parallel(v_geom,10,0.05,1); -- Put your procedure call here
dbms_output.put_line('Stop Profiler Result = ' || DBMS_PROFILER.STOP_PROFILER );
END;
SHOW ERRORS
Prompt Finally, report activity
COLUMN runid FORMAT 99999
COLUMN run_comment FORMAT A40
SELECT runid || ',' || run_date || ',' || run_comment || ',' || run_total_time
FROM plsql_profiler_runs
ORDER BY runid;
COLUMN runid       FORMAT 99999
COLUMN unit_number FORMAT 99999
COLUMN unit_type   FORMAT A20
COLUMN unit_owner FORMAT A20
COLUMN text        FORMAT A100
compute sum label 'Total_Time' of total_time on runid
break on runid skip 1
set linesize 200
SELECT u.runid || ',' ||
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       d.line#,
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       text
FROM   plsql_profiler_units u
       JOIN plsql_profiler_data d ON u.runid = d.runid
                                     AND
                                     u.unit_number = d.unit_number
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                            AND als.line = d.line# )
WHERE u.runid = (SELECT max(runid) FROM plsql_profiler_runs)
ORDER BY d.total_time desc;Run the profiler in both environments and see if you can see where the slowdown exists.
regards
Simon

Poor performance of facetime on macbook air while it works fine with other devices

Hi all,
I am experiencing poor performance when using facetime with my macbook air (image is poor and voice keeps breaking) while facetime works absolutely fine with my iphone or ipad. Skype works fie with the macbook as well. I have fiber optic connection with plenty of bandwidth. Any ideas?
Dimitri

Reboot and try again.

Problems with YouTube - iPad app and Safari on iPad

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OMG Apple, I'm am fed up with this stupid YouTube problem I paid $500 for my iPad if not more, and I expect better! I cannot view official music videos, episodes and I can't even view 2 out of 10 videos I search for. stop trying to make people buy from your stupid iTunes store and let them be able to view all videos on YouTube. Anyone who asks me if I'd recommend and iPad, you know what I say? Its not worth the money because the reason I got an iPad was being able to have freedom just like a pc and clearly I don't have that. They ask me; can an iPad do everything a pc can do, and I say no it can't, all because I can't view videos properly on YouTube. I'm 15 and saved for an iPad and it took me 2 years, $500 I regret spending!
Kind regards

Poor Performance of Safari with YouTube

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